Nissan Pathfinder (2011 year). Manual — part 362

PREPARATION

EM-7

< PREPARATION >

[VQ40DE]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

PREPARATION

PREPARATION

Special Service Tool

INFOID:0000000006246985

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Tool number
(Kent-Moore No.)
Tool name

Description

ST0501S000
( — )
Engine stand assembly
1. ST05011000
( — )
Engine stand
2. ST05012000
( — )
Base

Disassembling and assembling engine

—

(J-45488)
Quick connector release

Removing fuel tube quick connectors in en-
gine room
(Available in SEC. 164 of PARTS CATALOG:
Part No. 16441 6N210)

KV10111100
(J-37228)
Seal cutter

Removing oil pan (lower and upper), front and
rear timing chain case, etc.

WS39930000
( — )
Tube presser

Pressing the tube of liquid gasket

KV991J0050
(J-44626)
Air fuel sensor Socket

Loosening or tightening air fuel ratio A/F sen-
sor

a: 22 mm (0.87 in)

KV10114400
(J-38365)
Heated oxygen sensor wrench

Loosening or tightening heated oxygen sen-
sor 1

a: 22 mm (0.87 in)

NT042

PBIC0198E

NT046

NT052

LBIA0444E

NT636

2011 Pathfinder

EM-8

< PREPARATION >

[VQ40DE]

PREPARATION

KV10116200
(J-26336-B)
Valve spring compressor
1. KV10115900
(J-26336-20)
Attachment
2.KV10109220
( — )
Adapter

Disassembling valve mechanism
Part (1) is a component of KV10116200 (J-
26336-B), but Part (2) is not so.

KV10107902
(J-38959)
Valve oil seal puller

Replacing valve oil seal

—

(J-39386)
Valve oil seal drift

Installing valve oil seal

EM03470000
(J-8037)
Piston ring compressor

Installing piston assembly into cylinder bore

KV10112100
(BT-8653-A)
Angle wrench

Tightening bolts for cylinder head, main bear-
ing cap and connecting rod cap

ST16610001
(J-23907)
Pilot bushing puller

Removing pilot converter

—
1. (J-49815)
2. (J-8092)
Seal installer and driver handle

Installing rear main seal

Tool number
(Kent-Moore No.)
Tool name

Description

PBIC1650E

NT011

NT024

NT044

AWBIA1043ZZ

NT045

AWBIA0862ZZ

2011 Pathfinder

PREPARATION

EM-9

< PREPARATION >

[VQ40DE]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

Commercial Service Tool

INFOID:0000000006246986

—

(J-48761)
Ring gear stopper

Removing and installing crankshaft pulley

—

(J-50246)
Tensioner shoe installer and chain ten-
sioner pins

Installing secondary timing chain tensioner
shoes and locking chain tensioners in com-
pressed position

Tool number
(Kent-Moore No.)
Tool name

Description

ALBIA0523ZZ

ALBIA0678ZZ

Tool number
(Kent-Moore No.)
Tool name

Description

1. Crowfoot
2. Torque wrench

Installing exhaust manifold nuts

a: 14 mm (0.55 in)

Power tool

Loosening nuts, screws and bolts

KV991J0100
(J-46531)
TORX socket

Removing and installing flywheel

Size: T55

( — )
Spark plug wrench

Removing and installing spark plug

S-NT360

PIIB1407E

PBIC1113E

NT047

2011 Pathfinder

EM-10

< PREPARATION >

[VQ40DE]

PREPARATION

(J-24239-01)
Cylinder head bolt wrench

Loosening and tightening cylinder head bolt,
and used with angle wrench [SST:
KV10112100 (BT8653-A)]

a: 13 (0.51) dia.
b: 12 (0.47)
c: 10 (0.39)

Unit: mm (in)

( — )
Valve seat cutter set

Finishing valve seat dimensions

( — )
Piston ring expander

Removing and installing piston ring

( — )
Valve guide drift

Removing and installing valve guide

Intake and Exhaust:
a: 9.5 mm (0.374 in) dia.
b: 5.5 mm (0.217 in) dia.

( — )
Valve guide reamer

(1): Reaming valve guide inner hole
(2): Reaming hole for oversize valve guide

Intake and Exhaust:
d

1

: 6.0 mm (0.236 in) dia.

d

2

: 10.175 - 10.196 mm (0.4006 - 0.4014 in)

dia.

(J-43897-18)
(J-43897-12)
Oxygen sensor thread cleaner

Reconditioning the exhaust system threads
before installing a new heated oxygen sensor
(Use with anti-seize lubricant shown below.)

a: J-43897-18 [18 mm (0.71 in) dia.] for zir-
conia heated oxygen sensor
b: J-43897-12 [12 mm (0.47 in) dia.] for tita-
nia heated oxygen sensor

Tool number
(Kent-Moore No.)
Tool name

Description

NT583

NT048

NT030

NT015

NT016

AEM488

2011 Pathfinder

PREPARATION

EM-11

< PREPARATION >

[VQ40DE]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

( — )
Anti-seize lubricant (Permatex 133AR
or equivalent meeting MIL specifica-
tion MIL-A-907)

Lubricating oxygen sensor thread cleaning
tool when reconditioning exhaust system
threads

( — )
Manual lift table caddy

Removing and installing engine

Tool number
(Kent-Moore No.)
Tool name

Description

AEM489

ZZA1210D

2011 Pathfinder

EM-12

< SYSTEM DESCRIPTION >

[VQ40DE]

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

SYSTEM DESCRIPTION

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting - Engine Noise

INFOID:0000000006246987

Use the Chart Below to Help You Find the Cause of the Symptom

INFOID:0000000006246988

1. Locate the area where noise occurs.

PBIC2873E

2011 Pathfinder

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

EM-13

< SYSTEM DESCRIPTION >

[VQ40DE]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

2. Confirm the type of noise.
3. Specify the operating condition of engine.
4. Check specified noise source.
If necessary, repair or replace these parts.

A: Closely related B: Related C: Sometimes related —: Not related

Location

of noise

Type of

noise

Operating condition of engine

Source of

noise

Check item

Refer-

ence page

Before

warm-

up

After

warm-

up

When

start-

ing

When

idling

When

racing

While

driving

Top of en-
gine
Rocker
cover
Cylinder
head

Ticking or
clicking

C

A

—

A

B

—

Tappet
noise

Valve clearance

EM-19

Rattle

C

A

—

A

B

C

Camshaft
bearing
noise

Camshaft runout
Camshaft journal oil
clearance

EM-78
EM-78

Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil pan

Slap or
knock

—

A

—

B

B

—

Piston pin
noise

Piston to piston pin oil
clearance
Connecting rod bushing
oil clearance

EM-116
EM-116

Slap or
rap

A

—

—

B

B

A

Piston
slap noise

Piston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsion

EM-116
EM-116
EM-116
EM-116

Knock

A

B

C

B

B

B

Connect-
ing rod
bearing
noise

Connecting rod bushing
oil clearance
Connecting rod bearing
oil clearance

EM-116
EM-116

Knock

A

B

—

A

B

C

Main bear-
ing noise

Main bearing oil clear-
ance
Crankshaft runout

EM-116
EM-116

Front of
engine
Timing
chain case

Tapping or
ticking

A

A

—

B

B

B

Timing
chain and
chain ten-
sioner
noise

Timing chain cracks
and wear
Timing chain tensioner
operation

EM-61
EM-61

Front of
engine

Squeak-
ing or fizz-
ing

A

B

—

B

—

C

Drive belts
(Sticking
or slip-
ping)

Drive belts deflection

EM-14

Creaking

A

B

A

B

A

B

Drive belts
(Slipping)

Idler pulley bearing op-
eration

Squall
Creak

A

B

—

B

A

B

Water
pump
noise

Water pump operation

CO-24

Rattle

—

—

A

—

—

—

VTC

VTC lock pin clearance

EM-61

2011 Pathfinder

EM-14

< PERIODIC MAINTENANCE >

[VQ40DE]

DRIVE BELTS

PERIODIC MAINTENANCE

DRIVE BELTS

Exploded View

INFOID:0000000006246989

Checking Drive Belts

INFOID:0000000006246990

WARNING:

Be sure to perform when the engine is stopped.

1. Remove air duct and resonator assembly when inspecting drive belt. Refer to

EM-26, "Removal and

Installation"

.

2. Make sure that the auto tensioner indicator is within the allow-

able working range (A) as shown.

3. Visually check entire belt for wear, damage or cracks.
4. If the indicator is out of the allowable range or drive belt is dam-

aged, replace the drive belt. Refer to

EM-14, "Removal and

Installation"

.

Adjustment

INFOID:0000000006246991

There is no manual drive belt tension adjustment. The drive belt tension is automatically adjusted by the drive

belt auto tensioner.

Removal and Installation

INFOID:0000000006246992

REMOVAL

1. Remove air duct and resonator assembly. Refer to

EM-26, "Removal and Installation"

.

LBIA0427E

1.

Drive belt

2.

Power steering oil pump pulley

3.

Generator pulley

4.

Crankshaft pulley

5.

A/C compressor

6.

Cooling fan pulley

7.

Idler pulley

8.

Drive belt tensioner

AWBIA0723ZZ

2011 Pathfinder